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That is one sexy header pipe… (picture) (updated: Sept 16th 2023)
This is a 2:1 header for a Harbor Freight Predator 670. I don’t know how much I’ll modify the engine, but if you follow along with posts and videos about Bar Hopper you will learn as I do. It’s my understanding that I’ll need to reject the HF stock carburetor immediately after installing (or during…